长时间坐飞机血栓问题怎么预防，买头等舱太贵了

来源: mm6799 于 2022-08-07 15:19:09 [旧帖] [给我悄悄话] 本文已被阅读：次

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长时间坐飞机血栓问题怎么预防， 买头等舱太贵了